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<title> S809 </title></head>

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<H1>S809 AIRFOIL</H1>
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Reynolds number = 1.0 x 10^6 <br><br>

Measured in the low-turbulence wind tunnel at Delft University
of Technology (see <A
HREF="./../HTML/biblio.htm#Somers809">Somers</A>) <br><br>

More details on computations and experimental facilities can be found in
the <A HREF="./../HTML/report.htm"><font color="#006699">Wind Turbine
Airfoil Catalogue</font></A>.


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<H1>DATA AVAILABLE:</H1><p><p>

- <A HREF="./prof.dat"> Airfoil shape </A><p>

<font size=+3> Experiments:<br> </font>
- <A HREF="./cl.exp"> Lift Coefficient </A><br>
- <A HREF="./cdla.exp"> Drag and Lift Coefficients </A><br>
- <A HREF="./cm.exp"> Moment Coefficient </A><p>

<font size=+3> XFOIL Computations:<br> </font>
- <A HREF="./cldm.xf"> Lift, Drag and Moment Coefficients </A><p>
- <A HREF="./cfp_06.0.xf"> Skin Friction and Pressure Distributions - Angle of Attack = 06.0 deg. </A><br>
- <A HREF="./cfp_10.0.xf"> Skin Friction and Pressure Distributions - Angle of Attack = 10.0 deg. </A><br>
- <A HREF="./cfp_12.0.xf"> Skin Friction and Pressure Distributions - Angle of Attack = 12.0 deg. </A><br>
- <A HREF="./cfp_14.0.xf"> Skin Friction and Pressure Distributions - Angle of Attack = 14.0 deg. </A><br>
- <A HREF="./cfp_16.0.xf"> Skin Friction and Pressure Distributions - Angle of Attack = 16.0 deg. </A><br>
- <A HREF="./cfp_18.0.xf"> Skin Friction and Pressure Distributions - Angle of Attack = 18.0 deg. </A><p>

<font size=+3> EllipSys2D Computations: </font><p>
<font size=+2><em>* With transition model:</em><br> </font>
- <A HREF="./cldm.ellipsys"> Lift, Drag and Moment Coefficients </A><p>
- <A HREF="./cp_06.0.ellipsys"> Pressure Distribution - Angle of Attack = 06.0 deg. </A><br>
- <A HREF="./cp_10.0.ellipsys"> Pressure Distribution - Angle of Attack = 10.0 deg. </A><br>
- <A HREF="./cp_12.0.ellipsys"> Pressure Distribution - Angle of Attack = 12.0 deg. </A><br>
- <A HREF="./cp_14.0.ellipsys"> Pressure Distribution - Angle of Attack = 14.0 deg. </A><br>
- <A HREF="./cp_16.0.ellipsys"> Pressure Distribution - Angle of Attack = 16.0 deg. </A><br>
- <A HREF="./cp_18.0.ellipsys"> Pressure Distribution - Angle of Attack = 18.0 deg. </A><p>

- <A HREF="./cf_06.0.ellipsys"> Skin Friction Distribution - Angle of Attack = 06.0 deg. </A> <br>
- <A HREF="./cf_10.0.ellipsys"> Skin Friction Distribution - Angle of Attack = 10.0 deg. </A> <br>
- <A HREF="./cf_12.0.ellipsys"> Skin Friction Distribution - Angle of Attack = 12.0 deg. </A> <br>
- <A HREF="./cf_14.0.ellipsys"> Skin Friction Distribution - Angle of Attack = 14.0 deg. </A> <br>
- <A HREF="./cf_16.0.ellipsys"> Skin Friction Distribution - Angle of Attack = 16.0 deg. </A> <br>
- <A HREF="./cf_18.0.ellipsys"> Skin Friction Distribution - Angle of Attack = 18.0 deg. </A>


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<H1>FIGURES AVAILABLE: (PostScript files)</H1><p><p>

- <A HREF="./PS/profile.ps"> Airfoil shape </A><p>

- <A HREF="./PS/cl.ps"> Lift Coefficient </A><br>
- <A HREF="./PS/cd.ps"> Drag Coefficient </A><br>
- <A HREF="./PS/cm.ps"> Moment Coefficient </A><p>

- <A HREF="./PS/cp_a06.0.ps"> Pressure Distribution - Angle of Attack = 06.0 deg. </A><br>
- <A HREF="./PS/cp_a10.0.ps"> Pressure Distribution - Angle of Attack = 10.0 deg. </A><br>
- <A HREF="./PS/cp_a12.0.ps"> Pressure Distribution - Angle of Attack = 12.0 deg. </A><br>
- <A HREF="./PS/cp_a14.0.ps"> Pressure Distribution - Angle of Attack = 14.0 deg. </A><br>
- <A HREF="./PS/cp_a16.0.ps"> Pressure Distribution - Angle of Attack = 16.0 deg. </A><br>
- <A HREF="./PS/cp_a18.0.ps"> Pressure Distribution - Angle of Attack = 18.0 deg. </A><p>

- <A HREF="./PS/cf_a06.0.ps"> Skin Friction Distribution - Angle of Attack = 06.0 deg. </A><br>
- <A HREF="./PS/cf_a10.0.ps"> Skin Friction Distribution - Angle of Attack = 10.0 deg. </A><br>
- <A HREF="./PS/cf_a12.0.ps"> Skin Friction Distribution - Angle of Attack = 12.0 deg. </A><br>
- <A HREF="./PS/cf_a14.0.ps"> Skin Friction Distribution - Angle of Attack = 14.0 deg. </A><br>
- <A HREF="./PS/cf_a16.0.ps"> Skin Friction Distribution - Angle of Attack = 16.0 deg. </A><br>
- <A HREF="./PS/cf_a18.0.ps"> Skin Friction Distribution - Angle of Attack = 18.0 deg. </A><p>



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